Quote Originally Posted by Narwhal View Post
@sisyphus
Since I've started taking melatonin I've had no hypnic jerks or catathrenia, maybe some things like that are caused by different deficiencies in different people?
Yeah, I know a lot of people are fine with melatonin and I was too for a long time. I guess the more general suggestion is that the underlying cause may be chemical, so I'd suggest to the OP and anyone else to consider that the cause could be medication or supplements they are taking.